Granted Patent
Utility
US 4,308,414 · App. 06/104,415
Oligomerizing alpha-olefins with a heterogeneous catalyst
Inventors:
Ajay Madhav Madgavkar, Harold E. Swift
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Dec 17, 1979
Inventors
Ajay Madhav Madgavkar
Harold E. Swift
Assignee (at issue)
Gulf Research & Development Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.